Coupling for tubular lines,申请号US19390275305-传众专利搜索

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发明名称	Coupling for tubular lines
摘要
申请公布号	US2305809(A)	申请公布日期	1942.12.22
申请号	US19390275305	申请日期	1939.05.23
申请人	PAUL MAISCH	发明人	MAISCH PAUL
分类号	F16L37/252	主分类号	F16L37/252
代理机构		代理人
主权项
地址

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